Infants' knowledge of number is limited to small numbers. Discuss two findings that illustrate infants' competence with small numbers and their difficulties with large numbers
What will be an ideal response?
Any two of the following: (1) When infants are habituated to sets of objects that had the same small number of objects, they dishabituated to new sets of objects that differed from the original sets in terms of number; however, infants are not able to discriminate among sets of objects with numerosities larger than three unless the sets differ by a large ratio; (2) after seeing one object being added to another object behind a screen, infants look longer when the screen is lifted to reveal one or three objects (instead of two); however, infants do not understand the consequences of adding or subtracting slightly larger numbers (e.g., 2 + 2); (3) after infants see a different number of crackers added to two different containers, they crawl to the container that has more crackers, but only when the comparisons involve numbers that are less than three.
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